<template>
    <!-- 填写订单页 -->
  <scroll-view scroll-y class="viewport">
    <!-- 收货地址 -->
    <navigator v-if="defalutAddress?.id" class="shipment" hover-class="none" url="/subPages/address/address">
      <view class="user"> {{defalutAddress?.receiver +" "+ defalutAddress?.contact}} </view>
      <view class="address"> {{defalutAddress?.fullLocation +' '+ defalutAddress?.address}} </view>
      <text class="icon icon-right"></text>
    </navigator>
    <navigator v-else class="shipment" hover-class="none" url="/subPages/address/address">
      <view class="address"> 请选择收货地址 </view>
      <text class="icon icon-right"></text>
    </navigator>

    <!-- 商品信息 -->
    <view class="goods">
      <navigator v-for="item,index in preOrderInfo.goods" :key="index" :url="`/pages/goods/goods?id=${item.id}`" class="item" hover-class="none">
        <image class="picture" :src="item.picture"/>
        <view class="meta">
          <view class="name ellipsis">{{ item.name }}</view>
          <view class="attrs">{{ item.attrsText }}</view>
          <view class="prices">
            <view class="pay-price symbol">{{ item.totalPayPrice }}</view>
            <view class="price symbol">{{ item.totalPrice }}</view>
          </view>
          <view class="count">{{ "x" + item.count }}</view>
        </view>
      </navigator>
    </view>

    <!-- 配送及支付方式 -->
    <view class="related">
      <view class="item">
        <text class="text">配送时间</text>
        <picker :range="deliveryList" range-key="text" @change="onChangeDelivery">
          <view class="icon-fonts picker">{{ activeDelivery.text }}</view>
        </picker>
      </view>
      <view class="item">
        <text class="text">订单备注</text>
        <input class="input" :cursor-spacing="30" placeholder="建议留言前先与商家沟通确认" v-model="buyerMessage"/>
      </view>
    </view>

    <!-- 支付金额 -->
    <view class="settlement">
      <view class="item">
        <text class="text">商品总价: </text>
        <text class="number symbol">{{ preOrderInfo?.summary?.totalPrice.toFixed(2) }}</text>
      </view>
      <view class="item">
        <text class="text">运费: </text>
        <text class="number symbol">{{ preOrderInfo?.summary?.postFee.toFixed(2) }}</text>
      </view>
    </view>
  </scroll-view>

  <!-- 吸底工具栏 -->
  <view class="toolbar" :style="{ paddingBottom: safeAreaInsets?.bottom + 'px' }">
    <view class="total-pay symbol">
      <text class="number">{{ preOrderInfo?.summary?.totalPayPrice.toFixed(2) }}</text>
    </view>
    <view class="button" :class="preOrderInfo?.goods?.length == 0 ? 'disabled' : '' " @tap="submit_order_btn"> 提交订单 </view>
  </view>
</template>

<script setup lang="ts">
import { computed, ref, onMounted, reactive } from 'vue';
import { onShow, onLoad } from "@dcloudio/uni-app";
//引入请求函数
import { reqUserAddress } from "@/services/address";
import { reqPreOrder, reqNowOrder, reqSubmitOrder } from "@/services/order";
//引入类型约束
import type { addressResponse } from "@/types/address";
import type { preOrderResponse } from "@/types/order";

//页面参数 --> 进入该页面方式有:商品详情页的立即购买(页面参数)、购物车的结算(请求获得订单数据)
const props = defineProps<{
  skuId:string,
  count:string,
  addressId:number|null
}>();

// 获取屏幕边界到安全区域距离
const { safeAreaInsets } = uni.getSystemInfoSync()
// 订单备注
const buyerMessage = ref('');
// 配送时间
const deliveryList = ref([
  { type: 1, text: '时间不限 (周一至周日)' },
  { type: 2, text: '工作日送 (周一至周五)' },
  { type: 3, text: '周末配送 (周六至周日)' },
])
// 当前配送时间下标
const activeIndex = ref(0);
// 当前配送时间
const activeDelivery = computed(() => deliveryList.value[activeIndex.value]);
//收货地址列表数据
const addressList = ref<addressResponse[]>([]);
//订单信息
let preOrderInfo = ref({} as preOrderResponse);


//计算属性:计算默认地址
const defalutAddress = computed(()=>{
    let obj = {};
    addressList.value.forEach(v => {
        if(v.isDefault == 1){
            return obj = v ;
        } 
    });
    return obj;
})

//uni-生命周期
onShow(()=>{
    //获取地址
    getAddressList();
})
onLoad(()=>{
  if(props.skuId != undefined){
    //立即购买订单
    getNowOrder();
  } else {
    //预付订单
    getPreOrder();
  }
})


//获取收货地址信息
const getAddressList = async () => {
    let res = await reqUserAddress();
    addressList.value = res.result;
    console.log("收货地址列表api",res);
}
//获取预付订单信息
const getPreOrder = async () => {
    let res = await reqPreOrder();
    preOrderInfo.value = res.result;
    console.log("预付订单信息api",res);
    if(preOrderInfo.value.goods == 0){
        //没有选择的商品信息
        uni.showToast({icon:'error',title:"无订单信息!"});
    }
}
//获取立即购买订单信息
const getNowOrder = async () => {
  let res = await reqNowOrder(props.skuId, props.count);
  preOrderInfo.value = res.result;
  console.log('立即购买订单信息api',res);
}

// 修改配送时间
const onChangeDelivery: UniHelper.SelectorPickerOnChange = (ev) => {
  activeIndex.value = ev.detail.value
}


//提交订单按钮
const submit_order_btn = async () => {
  //参数整理
  let goods = preOrderInfo.value.goods.map(v => {
    return {skuId:v.skuId,count:v.count}
  });
  const obj = {goods,addressId:defalutAddress.value.id,deliveryTimeType:activeDelivery.value.type,buyerMessage:buyerMessage.value,payType:1,payChannel:2};
  //将订单信息提交到服务器,返回订单id,跳转到订单详情页携带id
  let res = await reqSubmitOrder(obj);
  uni.showToast({icon:"success",title:"订单提交成功!"});
  console.log('提交订单api',res);
  //订单id
  let id = res.result.id;
  //跳转到订单详情页
  setTimeout(() => {
    uni.navigateTo({url:`/orderPages/orderDetail/orderDetail?orderId=${id}`});
  }, 500);
}

</script>

<style lang="scss">
page {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  background-color: #f4f4f4;
}

.symbol::before {
  content: '¥';
  font-size: 80%;
  margin-right: 5rpx;
}

.shipment {
  margin: 20rpx;
  padding: 30rpx 30rpx 30rpx 84rpx;
  font-size: 26rpx;
  border-radius: 10rpx;
  background: url(https://pcapi-xiaotuxian-front-devtest.itheima.net/miniapp/images/locate.png)
    20rpx center / 50rpx no-repeat #fff;
  position: relative;

  .icon {
    font-size: 36rpx;
    color: #333;
    transform: translateY(-50%);
    position: absolute;
    top: 50%;
    right: 20rpx;
  }

  .user {
    color: #333;
    margin-bottom: 5rpx;
  }

  .address {
    color: #666;
  }
}

.goods {
  margin: 20rpx;
  padding: 0 20rpx;
  border-radius: 10rpx;
  background-color: #fff;

  .item {
    display: flex;
    padding: 30rpx 0;
    border-top: 1rpx solid #eee;

    &:first-child {
      border-top: none;
    }

    .picture {
      width: 170rpx;
      height: 170rpx;
      border-radius: 10rpx;
      margin-right: 20rpx;
    }

    .meta {
      flex: 1;
      display: flex;
      flex-direction: column;
      justify-content: center;
      position: relative;
    }

    .name {
      height: 80rpx;
      font-size: 26rpx;
      color: #444;
    }

    .attrs {
      line-height: 1.8;
      padding: 0 15rpx;
      margin-top: 6rpx;
      font-size: 24rpx;
      align-self: flex-start;
      border-radius: 4rpx;
      color: #888;
      background-color: #f7f7f8;
    }

    .prices {
      display: flex;
      align-items: baseline;
      margin-top: 6rpx;
      font-size: 28rpx;

      .pay-price {
        margin-right: 10rpx;
        color: #cf4444;
      }

      .price {
        font-size: 24rpx;
        color: #999;
        text-decoration: line-through;
      }
    }

    .count {
      position: absolute;
      bottom: 0;
      right: 0;
      font-size: 26rpx;
      color: #444;
    }
  }
}

.related {
  margin: 20rpx;
  padding: 0 20rpx;
  border-radius: 10rpx;
  background-color: #fff;

  .item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 80rpx;
    font-size: 26rpx;
    color: #333;
  }

  .input {
    flex: 1;
    text-align: right;
    margin: 20rpx 0;
    padding-right: 20rpx;
    font-size: 26rpx;
    color: #999;
  }

  .item .text {
    width: 125rpx;
  }

  .picker {
    color: #666;
  }

  .picker::after {
    content: '\e6c2';
  }
}

/* 结算清单 */
.settlement {
  margin: 20rpx;
  padding: 0 20rpx;
  border-radius: 10rpx;
  background-color: #fff;

  .item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80rpx;
    font-size: 26rpx;
    color: #333;
  }

  .danger {
    color: #cf4444;
  }
}

/* 吸底工具栏 */
.toolbar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: calc(var(--window-bottom));
  z-index: 1;

  background-color: #fff;
  height: 100rpx;
  padding: 0 20rpx;
  border-top: 1rpx solid #eaeaea;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-sizing: content-box;

  .total-pay {
    font-size: 40rpx;
    color: #cf4444;

    .decimal {
      font-size: 75%;
    }
  }

  .button {
    width: 220rpx;
    text-align: center;
    line-height: 72rpx;
    font-size: 26rpx;
    color: #fff;
    border-radius: 72rpx;
    background-color: #27ba9b;
  }

  .disabled {
    opacity: 0.6;
  }
}
</style>